Classic Stuffed Shells This recipe calls for Tomato, Garlic & Onion Sauce Old World Style® Traditional Sauce RAGÚ Simply™ Chunky Marinara Pasta Sauce RAGÚ Simply™ Traditional Pasta Sauce Find Near You Enter your zip code Search of 3 Prep time 25 minutes Cook time 45 minutes 01:10:00 Servings 8 Share Pinterest PDF PRINT EMAIL Ingredients 1 jar RAGÚ® Tomato Garlic & Onion Sauce 2 lbs. Ricotta cheese 2 cups shredded Mozzarella cheese, (about 8 oz.) 1/4 cup grated Parmesan cheese 3 eggs 1 Tbsp. finely chopped fresh parsley leaves 1/8 tsp. ground black pepper 1 package (12 oz.) jumbo shells pasta , cooked and drained Instructions 1. Preheat oven to 350°F. Evenly spread 1 cup sauce in 13 x 9-inch baking pan; set aside. 2. Combine cheeses, eggs, parsley and pepper in large bowl. Fill shells with cheese mixture, then arrange in baking pan. Evenly top with remaining sauce. Bake 45 minutes or until sauce is bubbling. Tags: Tomato Vegetarian Dishes